Per Step 12 of this Apple Knowledge Base article: http://support.apple.com/kb/HT2173,
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Your power supply has failed (and this is unfortunately a common issue, due to counterfeit capacitors sources by Apple and many other major manufacturers at the time). No multimeter necessary.
+
Your power supply has failed (and this is unfortunately a common issue, due to counterfeit capacitors sourced by Apple and many other major manufacturers at the time). No multimeter necessary.
The power supply is available here at iFixit, and you've already done the hardest part!
Per Step 12 of this Apple Knowledge Base article: http://support.apple.com/kb/HT2173,
Your power supply has failed (and this is unfortunately a common issue, due to counterfeit capacitors sources by Apple and many other major manufacturers at the time). No multimeter necessary.
The power supply is available here at iFixit, and you've already done the hardest part!